KQo vs 43s: preflop equity

Before any board card is dealt, KQo holds 60.72% equity against 43s, which leaves 43s with 39.28%.

KQo

60.72%

Wins 60.34%, ties 0.74%

43s

39.28%

Wins 38.92%, ties 0.74%

Equity counts a tie as half a win. Exact over every board.

KQo against 43s: the numbers

Exact preflop results for KQo against 43s, in percent
HandWinsTiesLosesEquity
KQo60.3430.74338.91460.715
43s38.9140.74360.34339.285

KQo is an offsuit hand and 43s is a suited hand. With no overlap in ranks, every card that pairs one hand is a card that does not pair the other.

The lead is steady rather than large, and the flop still has plenty of say in who wins. Split pots make up 0.74% of the boards, and both equity figures count them as half a win each.

Among the 169 starting hands, KQo is number 23 and 43s is number 150 by strength against a random hand.

Boards behind the percentages: 82,190,592 counted in all
HandBoards won, aboutBoards tied, aboutBoards lost, about
KQo49,596,000611,00031,984,000
43s31,984,000611,00049,596,000

The board total is exact, 48 deals at 1,712,304 boards each. Won, tied and lost counts are rounded to the nearest thousand from the five-decimal percentages.

KQo against 43s read as odds
HandEquity as odds (to 1)Wins one deal inLoses one deal inPot odds needed to call (to 1)
KQo1.5461.6572.5700.647
43s0.6472.5701.6571.546

The final column gives the least the pot must offer for each unit called for a call to break even at this equity.

Who is ahead on which flops

The flop changes the picture. KQo does best on rainbow flops topped by a ten or better, at 68.69%, and worst on low rainbow flops (nine high or lower), at 35.50%. 43s is ahead on low rainbow flops (nine high or lower), even though it trails KQo when every flop is counted.

KQo against 43s by flop texture, in percent
FlopShare of flopsKQo winsTies43s winsKQo equity
Rainbow, ten or higher24.71768.5370.30931.15468.691
Rainbow, nine or lower6.31334.9031.19163.90635.498
Two-tone46.66758.8460.45740.69759.074
Monotone5.21257.5482.64539.80758.871
Paired17.09162.8351.40435.76163.537

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

Compared with a random hand

Each hand has a baseline against a random hand: 61.46% for KQo, 38.64% for 43s. Here the change is -0.74 and +0.64 points.

KQo and 43s here compared with each against a random hand, in percent
CaseEquity hereAgainst a random handChange in pointsTimes the random-hand equity
KQo, all flops60.71561.456-0.7410.98794
KQo, rainbow, ten or higher68.69161.456+7.2351.11773
KQo, rainbow, nine or lower35.49861.456-25.9580.57762
KQo, two-tone59.07461.456-2.3820.96124
KQo, monotone58.87161.456-2.5850.95794
KQo, paired63.53761.456+2.0811.03386
43s, all flops39.28538.642+0.6431.01664
43s, rainbow, ten or higher31.30938.642-7.3330.81023
43s, rainbow, nine or lower64.50238.642+25.8601.66922
43s, two-tone40.92638.642+2.2841.05911
43s, monotone41.12938.642+2.4871.06436
43s, paired36.46338.642-2.1790.94361

Does a shared suit matter?

Two kinds of deal exist here. In 24 of them the hands share a suit and KQo holds 61.43%. In 24 they do not, and it holds 60.00%. KQo does better with a shared suit, by 1.43 points.

KQo against 43s by suit overlap, in percent
DealsSpecific dealsShare of dealsKQo winsTies43s winsKQo equity
Share a suit2450.0061.0400.77938.18161.430
No shared suit2450.0059.6470.70739.64660.000

How often this matchup comes up

How often does it happen? 48 of the 1,624,350 ordered deals (0.0030%) are KQo against 43s, and 96 (0.0059%) if either hand may sit in either seat.

A worked example

Try it with money: two players each put in $100 and the whole board runs out every possible way. KQo averages $121.44 from the $200, up $21.44; 43s averages $78.56, down $21.44.

Think in thousands: about 604 of 1,000 go to KQo, about 389 go to 43s, and about 7 are chopped.

The same matchup from the other side

If you came looking for 43s against KQo, the numbers are the same with the hands swapped: 39.28% and 60.72%.

KsQh against 4d3d is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

How this was computed

We counted every case. Each suit pattern of the 48 specific KQo against 43s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

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